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Development of space weather in Japan. Hiroaki Isobe Center for the Promotion of Interdisciplinary Education and Research Kyoto University. Significant changes in Japanese space p olicy. “Basic space law” enacted in 2008

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development of space weather in japan

Development of space weather in Japan

Hiroaki Isobe

Center for the Promotion of Interdisciplinary Education and Research

Kyoto University

significant changes in japanese space p olicy
Significant changes in Japanese space policy
  • “Basic space law” enacted in 2008
  • The Office of National Space Policy is established in the Cabinet Office as the headquarters to coordinate Japan’s overall space policy
  • From R&D to “Expansion of Space Utilization”
  • First “Basic Plan on Space Policy” under the new organization established in January, 2013, in which space weather is mentioned in the context of Space Situational Awareness (SAA).
slide3

Organization of the establishments related to space weather

Government organization

Strategic Headquarters for Space Policy

Incorporated Administrative Agencies

Office of National Space Policy, Cabinet Office

Committee on National Space Policy

Inter-University Research Institute Corporation

METI

MEXT

MIC

MOE

MLIT

MOD

NiPR

NAOJ

NICT

JAXA

Universities

MEXT: Ministry of Education, Culture, Sports, Science and Technology

METI: Ministry of Economy, Trade and Industry

MIC: Ministry of Internal Affairs and Communication

MOE: Ministry of Environment

MLIT: Ministry of Land, Infrastructure and Transport

MOD: Ministry of Defense

NICT: National Institute of Information and Communication Technology

JAXA Japan Aerospace Exploration Agency

NiPR: National Institute of Polar Research

NAOJ: National Astronomical Observatory of Japan

slide4

Space weather in Basic Plan on Space Policy (2013)

http://www8.cao.go.jp/space/plan/plan-eng.pdf

In previous “Basic Plan” in 2009, space weather was mentioned in the context of “preservation of the environment“ but “SAA”

national institute of information and communication technology nict
National Institute of Information and Communication Technology(NICT)
  • Space weather service provider in Japan
  • Japanese participant of ISES
  • Web-based real-time information of space weather
  • Daily/weeklysummary report by email
  • Ground-based observation facilities such as solar microwave, ionozondetc

http://swc.nict.go.jp

space weather in jaxa
Space weather in JAXA
  • “the core organization that provides technical support for the entire governmental development and utilization of space projects” (Basic Plan on Space Policy, 2013)
  • Space Environment Group monitor the geospace environment and anomaly of the satellites operated by JAXA
  • SW-related science missions(Akebono, GEOTAIL, Hinode, ERG, Solar-C…)
kyushu university
Kyushu University
  • International Center for Space Weather Science and Education (2012-)
  • MAGDAS network
  • Education and capacity building
other institutes
Other institutes

Nagoya University

  • Solar and Terrestrial Environment Laboratory, the only Inter-University Research Institute on solar and terrestrial environment
  • Solar Wind observation of Interplanetary Scintillation
  • Participate SuperDARN(Super Dual Auroral Radar Network)
  • Numerical modeling and data center
  • Tohoku University: solar and planetary radio observation
  • Shinshu University: Muon detector
  • NAOJ: solar observations
kyoto university
Kyoto University
  • Operate World Data Center for Geomagnetism
  • Solar optical observations
  • Middle and Upper atmosphere Radars
continuous h alpha imaging network c hain
Continuous H-Alpha Imaging Network (CHAIN)
  • Network of full-disk H-alpha observation to monitor the eruptive events, in particular the 3D velocity of erupting filament
  • Kyoto Univ operates SMART at Hidaobsevatory in Japan, and move our old Flare Monitoring Telescope to ICA university, Peru
  • Real time data available on web: used for e.g., planning of space missions
  • New telescope in Algeria being planed in collaboration with Centre de ResearcheAstronomieAstrophysique et Geophisique
  • Invite participation from other ground observatories for data sharing
  • Capacity building: student exchange, technical training etc
research topic extreme event detected in tsi
Research topic:Extreme event detected in TSI

Total Solar Irradiance

optical

X-ray

G. Kopp 2003

TSI increase by ~0.01%

slide13

“Super flares” in solar type stars detected by Kepler

(Maehara et al. 2012, Nature)

  • Intensity in visible continuum increase ~1%!
  • Corresponding to energy ~10^29 J = 1000 times larger than largest known solar flare

Shibayama et al. 2013, ApJS

  • Occurrence rate of 10^29J event ~ once in 5000 years in our Sun!
  • What are the expected influence? How to prevent them?
summary
Summary
  • Major changes in Japanese space policy. From R&D-oriented to utilization-oriented.
  • In the “Basic Plan on Space Policy”, space weather is mentioned as a part of SSA.
  • Many space and ground-based assets in Japan, but operated more-or-less independently by individual institutes
  • Mostly science-driven. Need more coordinated, service-oriented and continuous observation (<= also good for science)
  • International cooperation is important